Assume that a simple random sample has been selected from a normally
Assume that a simple random sample has been selected from a normally
distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
A coin mint has a specification that a particular coin has a mean weight of 2.6 g. A sample of 38 coins was collected. Those coins have a mean weight of 2.59385 g and a standard deviation of 0.01648 g. Use a 0.05 significance level to test the claim that this sample is from a population with a mean weight equal to 2.6 g. Do the coins appear to conform to the specifications of the coin mint?
· I know the null and alternative hypotheses is H0:μ =2.6 and H1:μ ≠2.6
· I know the “t” is -2.300
· I’m having trouble working the P-value along with the degrees of freedom. The df should be 37.
How do you compute the P-value and degree of freedom?
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